A　series　of　biaryl　anologues　with　a　fused　bicyclic　bridge　were　synthesised　in　a　diastereoselectivity　of　up　to　14:86　via　an　intramolecular　cyclisation　of　an　in　situ　generated　N-acyliminium　ion.　The　absolute　configuration　of　products　9b-d　and　10b-d　was　clearly　defined　by　a　combination　of　X-ray　crystal-structural　analysis,　NOE　difference,　and　CD　experiments.